Tumbler



FIG. 1 is a front perspective view of a tumbler showing my new design.

FIG. 2 is a front elevational view thereof.

FIG. 3 is a rear elevational view thereof.

FIG. 4 is a right side elevational view thereof.

FIG. 5 is a left side elevational view thereof.

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines represent portions of the tumbler that form no part of the claim. 

The ornamental design for a tumbler, as shown and described. 